PDB Statistics: PDB Data Distribution by Molecular Weight (Entity)

Molecular weight is calculated for each chemically distinct component of a PDB structure, e.g. protein, nucleic acid.

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Molecular Weight (Daltons)Number of Entities
< 5K41,153
5K - 10K46,389
10K - 15K75,547
15K - 20K58,190
20K - 25K56,945
25K - 30K45,129
30K - 35K32,620
35K - 40K29,094
40K - 45K21,508
45K - 50K16,141
50K - 55K13,434
55K - 60K9,839
60K - 65K6,831
65K - 70K5,105
70K - 75K3,606
>= 75K29,591